Description:Borussia Dortmund go into Saturday's (May 25) Champions League final at London's Wembley Stadium against Bayern Munich hoping to cap a memorable three seasons. Bayern, four-times European champions, are Germany's richest and most successful club, while rejuvenated Borussia Dortmund won the trophy in 1997 but came to the brink of financial ruin in 2005.(1:52)